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In the original mouse work it was described as well-tolerated, but that is the limit of the in-vivo safety evidence, and it is mouse-only

Are you on any medications that could possibly interact with the supplement

Kuceki et al., 2025 - Aumento del crecimiento mediante microneedling con pptidos de cobre Conclusin principal: La administracin avanzada de pptidos de cobre mediante microneedling en el cuero cabelludo mejora significativamente el crecimiento del cabello y la cobertura del cuero cabelludo en pacientes con Alopecia Androgentica

He published an article for NYT in November titled The internet loves peptide therapy

Atencion Primaria 2004;34:509 (author reply 509)